Open Access

Table 2.

Log of photometric observations of SRGA J213151.5+491400.

Date HJD start Duration Exposure Number of frames Filter Telescope Observatory
(YY.MM.DD) (HJD 2459000+) (h) (s)
2020.07.28 059.24174 7.1 60 280 Clear RTT150 TUG
2020.07.30 061.27805 1.2 7 315 Clear RTT150 TUG
2020.08.01 063.27149 2.0 7 614 Clear RTT150 TUG
2020.08.02 064.28747 2.2 30 224 Clear RTT150 TUG
2020.08.03 065.37281 4.6 30 474 Clear RTT150 TUG
2020.08.17 079.34191 5.6 90 208 V RTT150 TUG
2020.08.27 089.40084 3.9 240 44 Clear ADYU60 ADYU-ARMER
2020.08.28 090.24964 8.3 240 107 Clear ADYU60 ADYU-ARMER
2020.09.10 103.22123 8.1 240 120 Clear ADYU60 ADYU-ARMER
2020.09.14 107.23328 8.9 240 118 Clear ADYU60 ADYU-ARMER
2020.09.15 108.33785 5.1 240 77 Clear ADYU60 ADYU-ARMER
2020.09.28 121.34784 3.7 300 38 g RTT150 TUG
2020.10.13 136.15548 3.1 120 72 Clear Zeiss-1000 SAO
2020.10.16 139.31377 2.3 10 579 Clear T100 TUG

2021.07.12 408.45278 1.6 300 16 g, r, i RTT150 TUG
2021.10.09 497.18620 2.7 300 31 Clear Zeiss-1000 SAO
2021.12.09 558.19185 2.7 300 28 g RTT150 TUG
2021.12.17 566.18888 0.1 300 1 g RTT150 TUG
2021.12.28 577.19960 0.1 300 1 g RTT150 TUG

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